AUTHOR=Yang Yuying , Rao Siyi , Zhuo Yongjie , Fang Yuan , Wan Jianxin , You Danyu TITLE=Association between constipation and the urine albumin-to-creatinine ratio in adults: the NHANES 2009–2010 JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1477148 DOI=10.3389/fnut.2025.1477148 ISSN=2296-861X